$value:20;//底部导航栏的字体大小
$value1:23;//一级的字体大小
$value2:20;//二级的字体大小

//1.2.3级别边距
$first_titile_left: 20;
$first_titile_top: 20;
$first_titile_bottom: 0;
$second_titile_left: 40;
$second_titile_top: 10;
$second_titile_bottom: 0;
$third_titile_left: 60;
$third_titile_top: 10;
$third_titile_bottom: 0;

//1.2.3级别字体大小
$first_font_size: large;
$second_font_size: medium;
$third_font_size: small;

//1.2.3级别字体粗细
$first_font_weight: 900;
$second_font_weight: 700;
$third_font_weight: 600;

//设计不同级别表格高度
$first_table_height:6;
$second_table_height:4;

// 二级行高
$second_line_height:35;


body * {
    box-sizing: border-box;
    flex-shrink: 0;
  }
  body {
    font-family: PingFangSC-Regular, Roboto, Helvetica Neue, Helvetica, Tahoma,
      Arial, PingFang SC-Light, Microsoft YaHei;
  }
  input {
    background-color: transparent;
    border: 0;
  }
  button {
    margin: 0;
    padding: 0;
    border: 1px solid transparent;
    outline: none;
    background-color: transparent;
  }
  
  button:active {
    opacity: 0.6;
  }
  .van-nav-bar__left:active,
  .van-nav-bar__right:active {
    opacity: 1;
  }
  [class*='van-']::after {
    border-bottom: 0;
  }
  .flex-col {
    display: flex;
    flex-direction: column;
  }
  .flex-row {
    display: flex;
    flex-direction: row;
  }
  .justify-start {
    display: flex;
    justify-content: flex-start;
  }
  .justify-center {
    display: flex;
    justify-content: center;
  }
  
  .justify-end {
    display: flex;
    justify-content: flex-end;
  }
  .justify-evenly {
    display: flex;
    justify-content: space-evenly;
  }
  .justify-around {
    display: flex;
    justify-content: space-around;
  }
  .justify-between {
    display: flex;
    justify-content: space-between;
  }
  .align-start {
    display: flex;
    align-items: flex-start;
  }
  .align-center {
    display: flex;
    align-items: center;
  }
  .align-end {
    display: flex;
    align-items: flex-end;
  }
  